As someone who likes to dive into data a bit, these animations, while cool, made me anxious. Also, why only show the change in rate (i.e. 2nd derivation)? I'd l

As someone who likes to dive into data a bit, these animations, while cool, made me anxious. Also, why only show the change in rate (i.e. 2nd derivation)? I'd like to see the first derivation too. Especially in order to support the title - if death rates were high in the cities and low in rural areas, this development actually leads to a narrowing of the "health gap".